3r+4(2r-7)=-83

Simple and best practice solution for 3r+4(2r-7)=-83 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3r+4(2r-7)=-83 equation:


Simplifying
3r + 4(2r + -7) = -83

Reorder the terms:
3r + 4(-7 + 2r) = -83
3r + (-7 * 4 + 2r * 4) = -83
3r + (-28 + 8r) = -83

Reorder the terms:
-28 + 3r + 8r = -83

Combine like terms: 3r + 8r = 11r
-28 + 11r = -83

Solving
-28 + 11r = -83

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '28' to each side of the equation.
-28 + 28 + 11r = -83 + 28

Combine like terms: -28 + 28 = 0
0 + 11r = -83 + 28
11r = -83 + 28

Combine like terms: -83 + 28 = -55
11r = -55

Divide each side by '11'.
r = -5

Simplifying
r = -5

See similar equations:

| 10x-5=2x+9 | | a+b=17.5 | | 4+42x=28x-20 | | 11x-14=10x+5 | | (99)=100-4n | | 310=(4x+10)+2x | | -4x+2y=44 | | 4.9x^2+4x+0.7=0 | | 11x-13=4x+5 | | 2(4v-5)=7(11-3u) | | 6(x-7)-(x-4)=4(x-1) | | x-3+x+13=90 | | 5x-1=3(x-3)-4 | | -4x-5=-5x-2 | | 28p-7+4p=2+5p | | 9x+7=-6x-8 | | -1+6x=59 | | 16(x^3)+32xy+1=0 | | y+6+y+2+2y=48 | | az-14=6z-5 | | (m^2-1)x^2-2m(m+1)x+m=0 | | 5x-a=2x-3 | | 2x-3=17+-5x | | -2x^2+5x=9 | | 3+2x=-5x+17 | | 9x+3=14-2x | | 5x^4-4x^3-12x^2-16x-8=0 | | 6x+1y=262 | | 2pir^2+2pirh=400 | | 5x+yx=7 | | 7x-14=126 | | 5y+xy=7 |

Equations solver categories